Fig. 3From: Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry traces the geographical source of Biomphalaria pfeifferi and Bulinus forskalii, involved in schistosomiasis transmissiona PCA showing the clustering of MALDI-TOF MS spectra of Bi. pfeifferi specimens according to their geographical origin: Bi. pfeifferi from the Senegal River Delta in North-Western Senegal (blue), Bi. pfeifferi from Kedougou (South-Eastern Senegal) (green for laboratory strain and red for wild strain, (b) and (c) differentiation of two distinct Bu. forskalii populations: North-Western Senegal (green) and Central Senegal (red)Back to article page